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September weather forecast in Casper
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
31
+29
+14
31 August, sun
+29
+14
Feels like
+17
629 mmHg
35%
7
m/s
S
31 August, Sunday. day, 29°; night, 14°; partly cloudy
1
+29
+13
1 September, mon
+29
+13
Feels like
+16
629 mmHg
37%
6.8
m/s
S
1 September, Monday. day, 29°; night, 13°; clear
2
+29
+13
2 September, tue
+29
+13
Feels like
+16
630 mmHg
37%
6.7
m/s
S
2 September, Tuesday. day, 29°; night, 13°; clear
3
+29
+13
3 September, wed
+29
+13
Feels like
+16
630 mmHg
37%
6.4
m/s
S
3 September, Wednesday. day, 29°; night, 13°; clear
4
+28
+13
4 September, thu
+28
+13
Feels like
+16
630 mmHg
39%
6.3
m/s
S
4 September, Thursday. day, 28°; night, 13°; clear
5
+28
+13
5 September, fri
+28
+13
Feels like
+16
630 mmHg
38%
6.6
m/s
S
5 September, Friday. day, 28°; night, 13°; clear
6
+28
+13
6 September, sat
+28
+13
Feels like
+15
630 mmHg
38%
6.8
m/s
S
6 September, Saturday. day, 28°; night, 13°; rain
7
+26
+11
7 September, sun
+26
+11
Feels like
+14
630 mmHg
44%
6.2
m/s
S
7 September, Sunday. day, 26°; night, 11°; clear
8
+25
+10
8 September, mon
+25
+10
Feels like
+13
630 mmHg
43%
6.7
m/s
S
8 September, Monday. day, 25°; night, 10°; clear
9
+25
+10
9 September, tue
+25
+10
Feels like
+12
629 mmHg
46%
6.7
m/s
S
9 September, Tuesday. day, 25°; night, 10°; rain
10
+25
+10
10 September, wed
+25
+10
Feels like
+12
629 mmHg
44%
6.6
m/s
S
10 September, Wednesday. day, 25°; night, 10°; clear
11
+25
+10
11 September, thu
+25
+10
Feels like
+12
630 mmHg
47%
6.9
m/s
S
11 September, Thursday. day, 25°; night, 10°; rain
12
+24
+10
12 September, fri
+24
+10
Feels like
+12
630 mmHg
46%
6.7
m/s
S
12 September, Friday. day, 24°; night, 10°; clear
13
+24
+9
13 September, sat
+24
+9
Feels like
+12
629 mmHg
47%
6.5
m/s
S
13 September, Saturday. day, 24°; night, 9°; rain
14
+24
+9
14 September, sun
+24
+9
Feels like
+12
629 mmHg
48%
6.6
m/s
S
14 September, Sunday. day, 24°; night, 9°; clear
15
+25
+10
15 September, mon
+25
+10
Feels like
+12
629 mmHg
47%
6.4
m/s
S
15 September, Monday. day, 25°; night, 10°; clear
16
+25
+10
16 September, tue
+25
+10
Feels like
+12
628 mmHg
42%
7.1
m/s
S
16 September, Tuesday. day, 25°; night, 10°; clear
17
+25
+10
17 September, wed
+25
+10
Feels like
+12
628 mmHg
43%
7.2
m/s
S
17 September, Wednesday. day, 25°; night, 10°; clear
18
+24
+9
18 September, thu
+24
+9
Feels like
+11
628 mmHg
46%
7.4
m/s
SW
18 September, Thursday. day, 24°; night, 9°; partly cloudy
19
+24
+9
19 September, fri
+24
+9
Feels like
+10
627 mmHg
48%
7.4
m/s
S
19 September, Friday. day, 24°; night, 9°; partly cloudy
20
+22
+8
20 September, sat
+22
+8
Feels like
+9
627 mmHg
48%
6.8
m/s
S
20 September, Saturday. day, 22°; night, 8°; partly cloudy
21
+20
+6
21 September, sun
+20
+6
Feels like
+8
628 mmHg
52%
6.8
m/s
SE
21 September, Sunday. day, 20°; night, 6°; partly cloudy
22
+20
+6
22 September, mon
+20
+6
Feels like
+8
628 mmHg
52%
6.7
m/s
S
22 September, Monday. day, 20°; night, 6°; overcast
23
+20
+7
23 September, tue
+20
+7
Feels like
+8
628 mmHg
51%
6.4
m/s
S
23 September, Tuesday. day, 20°; night, 7°; rain
24
+21
+7
24 September, wed
+21
+7
Feels like
+8
629 mmHg
52%
6
m/s
S
24 September, Wednesday. day, 21°; night, 7°; clear
25
+22
+6
25 September, thu
+22
+6
Feels like
+8
629 mmHg
50%
6.5
m/s
S
25 September, Thursday. day, 22°; night, 6°; clear
26
+22
+7
26 September, fri
+22
+7
Feels like
+9
628 mmHg
45%
6.4
m/s
S
26 September, Friday. day, 22°; night, 7°; clear
27
+22
+7
27 September, sat
+22
+7
Feels like
+8
629 mmHg
49%
6.1
m/s
S
27 September, Saturday. day, 22°; night, 7°; clear
28
+21
+6
28 September, sun
+21
+6
Feels like
+8
629 mmHg
51%
6.3
m/s
SE
28 September, Sunday. day, 21°; night, 6°; clear
29
+22
+8
29 September, mon
+22
+8
Feels like
+9
628 mmHg
48%
7
m/s
S
29 September, Monday. day, 22°; night, 8°; clear
30
+21
+8
30 September, tue
+21
+8
Feels like
+9
628 mmHg
51%
6.6
m/s
S
30 September, Tuesday. day, 21°; night, 8°; partly cloudy
1
+20
+6
1 October, wed
+20
+6
Feels like
+7
628 mmHg
52%
6.4
m/s
S
1 October, Wednesday. day, 20°; night, 6°; clear
2
+19
+7
2 October, thu
+19
+7
Feels like
+7
627 mmHg
52%
6.6
m/s
S
2 October, Thursday. day, 19°; night, 7°; clear
3
+19
+5
3 October, fri
+19
+5
Feels like
+6
626 mmHg
55%
6.8
m/s
S
3 October, Friday. day, 19°; night, 5°; clear
4
+18
+4
4 October, sat
+18
+4
Feels like
+4
627 mmHg
60%
7.4
m/s
S
4 October, Saturday. day, 18°; night, 4°; partly cloudy
Average data for 10 years
Casper September
19
sunny days
5
days with precipitation
2
cloudy days
19 sunny days; 5 days with precipitation; 2 cloudy days;
46
%
air humidity
3.8
m/s
Wind
S
25
mm of precipitation
(7% of annual average)
air humidity 46%; 25 millimeters of precipitation (7% of annual average); Wind southerly 3.8 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
SW
S
S
SE
S
S
S
S
S
S
SE
S
S
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Daytime temperature
Night-time temperature
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